From a946a0181da82901c03559ec479565291f979bd3 Mon Sep 17 00:00:00 2001
From: Daniel Santana <danielgsantana@gmail.com>
Date: Mon, 2 Oct 2023 18:46:20 +0100
Subject: [PATCH] fix: don't overwrite `<Html/>` props (closes #1828)

---
 meta/src/html.rs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/meta/src/html.rs b/meta/src/html.rs
index 0cca4e3f0e..bcf2310253 100644
--- a/meta/src/html.rs
+++ b/meta/src/html.rs
@@ -149,9 +149,15 @@ pub fn Html(
             }
         } else if #[cfg(feature = "ssr")] {
             let meta = crate::use_head();
-            *meta.html.lang.borrow_mut() = lang;
-            *meta.html.dir.borrow_mut() = dir;
-            *meta.html.class.borrow_mut() = class;
+            if lang.is_some() {
+                *meta.html.lang.borrow_mut() = lang;
+            }
+            if dir.is_some() {
+                *meta.html.dir.borrow_mut() = dir;
+            }
+            if class.is_some() {
+                *meta.html.class.borrow_mut() = class;
+            }
             meta.html.attributes.borrow_mut().extend(attributes);
         } else {
                         _ = lang;